A nonmetallic circular item with an aperature, having a solid round cross-section. They are used primarily for sealing. For items with other than round cross section, see packing,preformed. For noncircular items with a round cross-section, see seal,nonmetallic round section and rubber,round section.
NSN 5905-01-459-0904
NSN 6645-01-400-2119
NSN 6320-00-194-4252
NSN 6685-01-320-5672
NSN 6610-01-241-9120
NSN 5930-01-435-7519
NSN 5990-01-240-1100
NSN 5985-00-130-1458
NSN 5990-01-616-9342
NSN 5935-01-566-1996
NSN 5950-01-082-6067
NSN 5835-01-406-7633